This exhibition presents an overview of participation-based art since the 1950s, reflecting on how artists create situations in which the public takes a collaborative role in the art-making process. Early conceptual art and historic works by Joseph Beuys, John Cage, Dan Graham, and Hans Haacke, among others, will be contextualized with projects and installations by contemporary artists such as Jochen Gerz, Felix Gonzalez-Torres, Lynn Hershman Leeson, and Erwin Wurm. The rise of Web 2.0 platforms such as MySpace and Second Life have prompted SFMOMA to commission several artists to create new installations and online works for the exhibition, many of which consider and engage strategies of participation. The Art of Partcipation: 1950 to Now will change form and content as more and more visitors—on-site and online—contribute, and in so doing will explore the role of active engagement between artists, the public, and the museum.